Accrual for Environmental Loss Contingencies Assumed, Percent

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- Definition

Disposal Group, Including Discontinued Operation, Indemnification Cost Threshold

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Disposal Group, Including Discontinued Operation, Indemnification Coverage, Percentage

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- Definition

Number Of Operational Water Treatment Plants

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- Definition

Number Of Water Treatment Plants To Be Constructed

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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COMMITMENTS AND CONTINGENCIES - Environmental Matters (Details) $ in Millions	3 Months Ended	6 Months Ended
	Mar. 31, 2026 USD ($)	Jun. 30, 2026 USD ($) plant	Dec. 31, 2025 USD ($)	Jun. 30, 2025 USD ($)	Feb. 28, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2022 USD ($)
Site Contingency [Line Items]
Number of operational water treatment plants \| plant		5
Number of water treatment plants to be constructed \| plant		2
Remediation liability		$ 366.0	$ 390.0	$ 343.0		$ 370.0
Discontinued operations disposed of by sale \| CC&V
Site Contingency [Line Items]
Cash, net of working capital adjustments, received	$ 87.5
Indemnification cost threshold					$ 500.0
Indemnification coverage, percent					0.90
Midnite mine and Dawn mill sites
Site Contingency [Line Items]
Remediation liability		$ 149.0
Remediation liability assumed (in percent)		100.00%
CC&V
Site Contingency [Line Items]
Remediation liability							$ 20.0
Minera Yanacocha
Site Contingency [Line Items]
Economic interest (as a percent)		100.00%
Dawn Mining Company
Site Contingency [Line Items]
Economic interest (as a percent)		58.19%
Lihir Gold
Site Contingency [Line Items]
Economic interest (as a percent)		100.00%
Cadia
Site Contingency [Line Items]
Economic interest (as a percent)		100.00%
CC&V
Site Contingency [Line Items]
Economic interest (as a percent)		100.00%